/*

* Copyright (c) 2008-2008 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Location plugin implementation

*

*/

#include "emailtrace.h"

#include <mnproviderfinder.h>

#include <mnprovider.h>

//<cmail>

#include "mnmapview.h"

#include <EPos_CPosLandmark.h>

#include <StringLoader.h>

#include <esmrgui.rsg>

#include "cesmrurlparserplugin.h"

//</cmail>

#include <ct/rcpointerarray.h>

#include "cesmrlocationpluginimpl.h"

#include "mesmrlocationpluginobserver.h"

// ======== MEMBER FUNCTIONS ========

// ---------------------------------------------------------------------------

// CESMRLocationPluginImpl::CESMRLocationPluginImpl

// ---------------------------------------------------------------------------

//

CESMRLocationPluginImpl::CESMRLocationPluginImpl()

	: CESMRLocationPlugin( CActive::EPriorityStandard )

    {

    FUNC_LOG;

    }

// ---------------------------------------------------------------------------

// CESMRLocationPluginImpl::ConstructL

// ---------------------------------------------------------------------------

//

void CESMRLocationPluginImpl::ConstructL()

    {

    FUNC_LOG;

    // Find Map & Navigation provider

    RCPointerArray<CMnProvider> providers;

    CleanupClosePushL( providers );

    MnProviderFinder::FindProvidersL( providers,

    							      CMnProvider::EServiceMapView

    							      | CMnProvider::EServiceNavigation

    							      | CMnProvider::EServiceGeocoding );

    if ( providers.Count() == 0 )

    	{

    	User::Leave( KErrNotSupported );

    	}

    iProvider = providers[ 0 ];

    providers.Remove( 0 );    

    // PopAndDestroy provides from cleanupstack

    CleanupStack::PopAndDestroy( &providers );

    // Create Map & Navigation view

    CreateMapViewL();

    iUrlParser = CESMRUrlParserPlugin::NewL();

    CActiveScheduler::Add( this );

    }

// ---------------------------------------------------------------------------

// CESMRLocationPluginImpl::NewL

// ---------------------------------------------------------------------------

//

CESMRLocationPluginImpl* CESMRLocationPluginImpl::NewL()

    {

    FUNC_LOG;

    CESMRLocationPluginImpl* self = new( ELeave ) CESMRLocationPluginImpl();

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

// ---------------------------------------------------------------------------

// CESMRLocationPluginImpl::SetObserver

// ---------------------------------------------------------------------------

//

void CESMRLocationPluginImpl::SetObserver ( MESMRLocationPluginObserver* aObserver )

    {

    FUNC_LOG;

    iObserver = aObserver;

    }

// ---------------------------------------------------------------------------

// CESMRLocationPluginImpl::~CESMRLocationPluginImpl

// ---------------------------------------------------------------------------

//

CESMRLocationPluginImpl::~CESMRLocationPluginImpl()

    {

    FUNC_LOG;

    Cancel();

    if ( iMapView )

        {

        iMapView->RemoveExitObserver();

        delete iMapView;

        }

    delete iProvider;

    delete iUrlParser;

    iLandMarks.ResetAndDestroy();

    }

// ---------------------------------------------------------------------------

// CESMRLocationPluginImpl::CreateMapViewL

// ---------------------------------------------------------------------------

//

void CESMRLocationPluginImpl::CreateMapViewL()

    {

    FUNC_LOG;

    if ( !iMapView )

        {

        iMapView = CMnMapView::NewChainedL( *iProvider );

        iMapView->SetExitObserverL( *this );

        }

    }

// ---------------------------------------------------------------------------

// CESMRLocationPluginImpl::SelectFromMapL

// From class MESMRLocationPlugin.

// ---------------------------------------------------------------------------

//

void CESMRLocationPluginImpl::SelectFromMapL( const TDesC& aSearchQuery,

								      	      const TDesC& aLocationUrl )

	{

    FUNC_LOG;

	iLandMarks.ResetAndDestroy();

	if ( IsActive() )

		{

		User::Leave( KErrInUse );

		}

	CreateMapViewL();

	iMapView->ResetMapArea();

	// Create landmark from location URL. TRAP errors because URL is optional.

	CPosLandmark* location = NULL;

	TRAP_IGNORE( location = //codescanner::forgottoputptroncleanupstack

                 iUrlParser->CreateLandmarkFromUrlL( aLocationUrl ) )

	if ( location ) // Landmark created. Set search string as landmark name

	    {

	    if ( aSearchQuery.Length() > 0 )

	        {

	        CleanupStack::PushL( location );

	        location->SetLandmarkNameL( aSearchQuery );

	        iLandMarks.AppendL( location );

	        CleanupStack::Pop( location );

	        iMapView->ResetLandmarksToShow();

	        iMapView->AddLandmarksToShowL( iLandMarks );

	        }

	    }

	else

        {

        // No location url provided, let's search from maps

        // with search string. It was agreed that search is done by

        // passing a landmark with search string as the name of the landmark

        // forward

         if ( aSearchQuery.Length() > 0 )

            {

            location = CPosLandmark::NewLC();

            location->SetLandmarkNameL( aSearchQuery );

            iLandMarks.AppendL( location );

            CleanupStack::Pop( location );

            iMapView->ResetLandmarksToShow();

            iMapView->AddLandmarksToShowL( iLandMarks );

            }        

        // Enable current location focus on map

        iMapView->

            SetCurrentLocationOption( CMnMapView::ECurrentLocationEnabled );

        }

	SetActive();

	iMapView->SelectFromMapL( iStatus );

	}

// ---------------------------------------------------------------------------

// CESMRLocationPluginImpl::SearchFromMapL

// From class MESMRLocationPlugin.

// ---------------------------------------------------------------------------

//

void CESMRLocationPluginImpl::SearchFromMapL( const TDesC& aSearchQuery )

    {

    FUNC_LOG;

    iLandMarks.ResetAndDestroy();

    CPosLandmark* location = CPosLandmark::NewLC();

    location->SetLandmarkNameL( aSearchQuery );

    iLandMarks.AppendL( location );

    CleanupStack::Pop( location );

    iMapView->ResetLandmarksToShow();

    iMapView->AddLandmarksToShowL( iLandMarks );

    iMapView->ShowMapL();

    }

// ---------------------------------------------------------------------------

// CESMRLocationPluginImpl::ShowOnMapL

// From class MESMRLocationPlugin.

// ---------------------------------------------------------------------------

//

	{

    FUNC_LOG;

	CreateMapViewL();

	iMapView->ResetLandmarksToShow();

    RCPointerArray<CPosLandmark> landmarks;

    CleanupClosePushL( landmarks );

    CPosLandmark* landmark = iUrlParser->CreateLandmarkFromUrlL( aLocationUrl );

    CleanupStack::PushL( landmark ); 

    landmarks.AppendL( landmark );

    CleanupStack::Pop( landmark );

    iMapView->AddLandmarksToShowL( landmarks );

    CleanupStack::PopAndDestroy( &landmarks );

    iMapView->ShowMapL();

	}

// ---------------------------------------------------------------------------

// CESMRLocationPluginImpl::DoCancel

// From class CActive.

// Cancels outstanding request to iMapView

// ---------------------------------------------------------------------------

//

void CESMRLocationPluginImpl::DoCancel()

    {

    FUNC_LOG;

    if( iMapView )

    	{

    	iMapView->Cancel();

    	}

    }

// ---------------------------------------------------------------------------

// CESMRLocationPluginImpl::RunL

// From class CActive.

// Process asynchronous SelectFromMap completion from CMnMapView

// ---------------------------------------------------------------------------

//

void CESMRLocationPluginImpl::RunL()

    {

    FUNC_LOG;

    HandleSelectFromMapCompletedL();

    }

// ---------------------------------------------------------------------------

// CESMRLocationPluginImpl::HandleSelectFromMapCompletedL

// ---------------------------------------------------------------------------

//

void CESMRLocationPluginImpl::HandleSelectFromMapCompletedL()

    {

    FUNC_LOG;

    if ( iStatus == KErrNone )

        {

        CMnMapView::TSelectionResultType type;

        type = iMapView->SelectionResultType();

        if ( iObserver )

            {

            switch ( type )

                {

                case CMnMapView::ESelectionFreeLandmark:

                    {

                    // Read selection from map view, send result to observer

                    CPosLandmark* landmark = 

                                iMapView->RetrieveSelectionResultL();

                    iObserver->SelectFromMapCompleted( iStatus.Int(), 

                                                       landmark );

                    break;

                    }

                case CMnMapView::ESelectionLandmarkIndex:

                    {

                    TInt landmarkIndex = 0;

                    iMapView->RetrieveSelectionResultL( landmarkIndex );

                    if ( landmarkIndex < iLandMarks.Count() )

                        {

                        iObserver->SelectFromMapCompleted( 

                            iStatus.Int(), 

                            iLandMarks[landmarkIndex] );

                        iLandMarks.Remove( landmarkIndex );

                        }

                    else

                        {

                        User::Leave( KErrGeneral );

                        }

                    break;

                    }

                default:

                    {

                    User::Leave( KErrNotSupported );

                    break;

                    }

                }

            }

        }

    else if (iObserver)

        {

        // Notify error to observer

        iObserver->SelectFromMapCompleted( iStatus.Int(), NULL );

        }

    // Close Map view 

    delete iMapView;

    iMapView = NULL;        

    }

// ---------------------------------------------------------------------------

// CESMRLocationPluginImpl::RunError

// From class CActive.

// ---------------------------------------------------------------------------

//

TInt CESMRLocationPluginImpl::RunError( TInt aError )

	{

    FUNC_LOG;

	// Notify error to observer

	if(iObserver)

	    {

	    iObserver->SelectFromMapCompleted( aError, NULL );

	    }

	// Close Map view

	delete iMapView;

	iMapView = NULL;

	return KErrNone;

	}

// ---------------------------------------------------------------------------

// CESMRLocationPluginImpl::HandleServerAppExit

// From class MAknServerAppExitObserver.

// ---------------------------------------------------------------------------

//

void CESMRLocationPluginImpl::HandleServerAppExit( TInt aReason )

    {

    FUNC_LOG;

    Cancel();

    if ( iObserver )

        {

        // Notify observer that application has been closed without selection.

        iObserver->SelectFromMapCompleted( aReason, NULL );

        }

    delete iMapView;

    iMapView = NULL;

    }